Call the Skybreaker [Commander 2015] Bolas Set: World Superstars Card type:

Set: World Superstars Card type: Xyz/Effect Monster Rarity: Super Rare Attack: 2300 Defense: 1600 2 Level 4 monsters Once per turn: You can attach 1 "Battlin' Boxer" monster from your hand or Graveyard to this card as an Xyz Material

using monsters from your hand or field as Fusion Materials

You can only use this effect of "Generaider Boss Room" once per turn

when your opponent activates a Spell Card: You can send this card and 1 other Fairy-Type monster from your hand to the Graveyard

Lightning Overdrive also features the following:

Call the Skybreaker [Commander 2015] Bolas Set: World Superstars Card type:Set: Commander 2015 Type: Sorcery Rarity: Rare Cost: {5}{U R}{U R} Create a 5 5 blue and red Elemental creature token with flying. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.) It hears and answers every orison across Shadowmoor.